logical fallacy logical diagram • logical implication · · · Info · Definitions · Characters · · logical fallacy · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) a fallacy in logical argumentation. Synonyms: logical fallacy. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F y latin small letter y U+0079